CVE-2024-42655

High

Description

An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.

SeverityHigh
CVSS8.8
Exploit probability—
ProductEmqx Nanomq
PublishedJul 29, 2025
First seenJul 29, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
emqx nanomq0.21.8—

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